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Finding the Fourth Proportional to 554,577.34, 765,317.24 and 299,928.53

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Solution

The fourth proportional to 554,577.34, 765,317.24 and 299,928.53 is: 413,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,577.34 : 765,317.24 = 299,928.53 : x
  2. Step 2: Convert to fraction form
    554,577.34/765,317.24 = 299,928.53/x
  3. Step 3: Cross multiply
    554,577.34x = 765,317.24 × 299,928.53
  4. Step 4: Simplify right side
    554,577.34x = 229,540,470,950.27
  5. Step 5: Solve for x
    x = 229,540,470,950.27/554,577.34
  6. Step 6: Final answer
    x = 413,901.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.